NGC 2232

Number of stars per data source

	Reference    1 :    1 star
	Reference    2 :    1 star
	Reference    4 :    2 stars

1: Stromgren B., Perry C.L.; (1965) Astron. J. 71, 709; Institute for Advanced Study, Princeton, N. J. second version, unpublished Crawford D.L., Barnes J.V., Faure B.Q., Golson J.C. Photoelectric Hbeta photometry for 1217 stars brighter than V = 6.5 mag; 1965AJ.....71..709
2: Crawford D.L., Perry C.L.; (1966) Astron. J. 71, 206; Four-color and Hbeta photometry of open clusters I. The Hyades; 1966AJ.....71..206C
4: Crawford D.L., Barnes J.V.; (1969) Astron. J. 74, 817; Four-color and Hbeta photometry of open clusters III. Praesepe; 1969AJ.....74..817C